import { defineConfig, loadEnv } from 'vite';
import createPlugins from './vite/plugins';
import autoprefixer from 'autoprefixer'; // css自动添加兼容性前缀
import path from 'path';

export default defineConfig(({ mode, command }) => {
  const env = loadEnv(mode, process.cwd());
  return {
    // 部署生产环境和开发环境下的URL。
    // 默认情况下，vite 会假设你的应用是被部署在一个域名的根路径上
    // 例如 https://www.ruoyi.vip/。如果应用被部署在一个子路径上，你就需要用这个选项指定这个子路径。例如，如果你的应用被部署在 https://www.ruoyi.vip/admin/，则设置 baseUrl 为 /admin/。
    base: env.VITE_APP_CONTEXT_PATH,
    resolve: {
      alias: {
        '@': path.resolve(__dirname, './src'),
        '@photo-sphere-viewer/core': path.resolve(__dirname, './node_modules/@photo-sphere-viewer/core/index.module.js')
      },
      extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.vue']
    },
    // https://cn.vitejs.dev/config/#resolve-extensions
    plugins: createPlugins(env, command === 'build'),
    server: {
      host: '0.0.0.0',
      port: Number(env.VITE_APP_PORT),
      open: true,
      proxy: {
        [env.VITE_APP_BASE_API]: {
          // target: 'http://localhost:8080',
          // target: 'http://172.16.130.18:8080',
          // target: 'http://112.4.139.182:19080',
          target: 'https://wxapi.kunszbq.cn',  // 改为HTTP协议
          changeOrigin: true,
          ws: true,
          rewrite: (path) => path.replace(new RegExp('^' + env.VITE_APP_BASE_API), ''),
          // 添加代理错误处理
          onProxyReq: (proxyReq, req, res) => {
            console.log(`[Proxy] ${req.method} ${req.url} -> http://wxapi.kunszbq.cn${req.url}`);
          },
          onError: (err, req, res) => {
            console.error(`[Proxy Error] Failed to proxy ${req.url}:`, err.message);
            res.writeHead(500, { 'Content-Type': 'application/json' });
            res.end(JSON.stringify({
              code: 500,
              message: `无法连接到后端服务: ${err.message}`
            }));
          }
        }
      }
    },
    css: {
      preprocessorOptions: {
        scss: {
          // additionalData: '@use "@/assets/styles/variables.module.scss as *";'
          // javascriptEnabled: true
          api: 'modern-compiler'
        }
      },
      postcss: {
        plugins: [
          // 浏览器兼容性
          autoprefixer(),
          {
            postcssPlugin: 'internal:charset-removal',
            AtRule: {
              charset: (atRule) => {
                atRule.remove();
              }
            }
          }
        ]
      }
    },
    // 预编译
    optimizeDeps: {
      include: [
        'vue',
        'vue-router',
        'pinia',
        'axios',
        '@vueuse/core',
        'echarts',
        'vue-i18n',
        '@vueup/vue-quill',
        'image-conversion',
        'element-plus/es/components/**/css'
      ]
    }
  };
});
